113208642 has 24 divisors (see below), whose sum is σ = 246347244. Its totient is φ = 37572864.

The previous prime is 113208607. The next prime is 113208647. The reversal of 113208642 is 246802311.

113208642 is a `hidden beast` number, since 1 + 13 + 2 + 0 + 8 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 92332881 + 20875761 = 9609^2 + 4569^2 .

It is not an unprimeable number, because it can be changed into a prime (113208647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9303 + ... + 17690.

Almost surely, 2^113208642 is an apocalyptic number.

113208642 is an abundant number, since it is smaller than the sum of its proper divisors (133138602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113208642 is a wasteful number, since it uses less digits than its factorization.

113208642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27234 (or 27231 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 113208642 is about 10639.9549811078. The cubic root of 113208642 is about 483.7561808396.

The spelling of 113208642 in words is "one hundred thirteen million, two hundred eight thousand, six hundred forty-two".